This Vicks Portable Waterless Diffuser is designed to enhance your environment with soothing vapor, promoting easier breathing, especially during rest periods. Its USB plug-in design offers exceptional convenience, making it ideal for use in small personal spaces like bedrooms or offices. The integrated nightlight function provides a gentle glow without interrupting sleep. This waterless system utilizes scent pads (not included, check product packaging for specifics) to release calming aromas throughout your space, offering a simple and effective way to refresh your surroundings.